Definition of expansion
- n. - The act of expanding or spreading out; the condition of
being expanded; dilation; enlargement.
- n. - That which is expanded; expanse; extend surface; as, the
expansion of a sheet or of a lake; the expansion was formed of metal.
- n. - Space through which anything is expanded; also, pure
space.
- n. - Enlargement or extension of business transactions; esp.,
increase of the circulation of bank notes.
- n. - The developed result of an indicated operation; as, the
expansion of (a + b)2 is a2 + 2ab + b2.
- n. - The operation of steam in a cylinder after its
communication with the boiler has been cut off, by which it continues
to exert pressure upon the moving piston.
- n. - The enlargement of the ship mathematically from a model
or drawing to the full or building size, in the process of
construction.